mirror of
https://github.com/paradizelost/AdventOfCode2020.git
synced 2024-11-25 02:44:45 -06:00
105 lines
2.9 KiB
PowerShell
105 lines
2.9 KiB
PowerShell
$cookievalue = get-content .\Cookie.txt
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$cookie = New-Object system.net.cookie
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$cookie.name="session"
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$cookie.domain = "adventofcode.com"
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$cookie.Value=$cookievalue
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$websession = new-object Microsoft.PowerShell.Commands.WebRequestSession
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$websession.cookies.add($cookie)
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$inputdata = (Invoke-RestMethod -Uri https://adventofcode.com/2020/day/12/input -Method GET -WebSession $websession) -split "\r?\n"
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$position = @{
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XAxis=0;
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YAxis=0;
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Facing=@{
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0="E";
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1="N";
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2="W";
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3="S";
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};
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FTurn=0;
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}
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$outerbounds = @{
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MaxXAxis=0;
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MinXAxis=0;
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MaxYAxis=0;
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MinYAxis=0;
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}
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function Update-Facing (){
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param(
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$numberOfTurns
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)
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#write-host $numberOfTurns
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if($numberOfTurns -lt 0){
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$tempnum = 4 + $numberOfTurns
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$numberofturns = [math]::abs($tempnum)
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}
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$currentfacing = $position.fturn
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$position.fturn = ($currentfacing + $numberOfTurns) % 4
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}
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function Update-MaxDistance(){
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#$position
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if($position.XAxis -gt $outerbounds.MaxXAxis){
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$outerbounds.MaxXAxis=$position.XAxis
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}
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if($position.YAxis -gt $outerbounds.MaxYAxis){
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$outerbounds.MaxYAxis=$position.YAxis
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}
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if($position.XAxis -lt $outerbounds.MinXAxis){
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$outerbounds.MinXAxis=$position.XAxis
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}
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if($position.YAxis -lt $outerbounds.MinYAxis){
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$outerbounds.MinYAxis=$position.YAxis
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}
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}
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function Move-Direction(){
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param(
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$axis,
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$distance
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)
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if($axis -eq "XAxis"){
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$position.XAxis += $distance
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}
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if($axis -eq "YAxis"){
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$position.YAxis += $distance
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}
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}
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foreach($line in $inputdata){
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if($line -eq ''){continue}
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$direction = $line.ToCharArray()[0]
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[int]$distance = $line.ToCharArray()[1..$line.Length] -join ""
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switch ($direction){
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"N"{
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Move-Direction -axis "YAxis" -distance $distance
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};
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"S"{
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Move-Direction -axis "YAxis" -distance (-$distance)
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};
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"E"{
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Move-Direction -axis "XAxis" -distance $distance
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};
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"W"{
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Move-Direction -axis "XAxis" -distance (-$distance)
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};
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"L"{
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update-facing -numberOfTurns ($distance/90)
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};
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"R"{
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update-facing -numberOfTurns (-$distance/90)
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};
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"F"{
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if($position.facing[$position.fturn] -eq "N"){
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Move-Direction -axis "YAxis" -distance $distance
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} elseif($position.facing[$position.fturn] -eq "S"){
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Move-Direction -axis "YAxis" -distance (-$distance)
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} elseif($position.facing[$position.fturn] -eq "E"){
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Move-Direction -axis "XAxis" -distance $distance
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} elseif($position.facing[$position.fturn] -eq "W"){
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Move-Direction -axis "XAxis" -distance (-$distance)
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}
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};
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}
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Update-MaxDistance
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}
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[math]::abs($position.XAxis) + [MATH]::abs($position.YAxis) |